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Home >> Infiniti >> 2009 >> FX50 >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (With Rear Active Steer) >> Component Diagnosis >> DTC C1905, C1908, C1922, C1925, C1928: RAS Control Unit >> Diagnosis Procedure

Diagnosis Procedure

  1. PERFORM SELF-DIAGNOSIS

    With CONSULT-III 

    1. Turn the ignition switch from OFF to ON.
    2. Perform RAS control unit self-diagnosis.

    Without CONSULT-III 

    1. Start the engine.
    2. Perform the self-diagnosis. Refer to "DIAGNOSIS DESCRIPTION ".

    Is DTC "C1905", "C1908", "C1922", "C1925", "C1928" or "RAS warning lamp flickering pattern:11" detected? 

    YES: Replace RAS control unit. Refer to "EXPLODED VIEW ".

    NO: GO TO 2.

  2. CHECK INFORMATION

    With CONSULT-III 

    Check the "DATA MONITOR" value of each DTC detected with the self-diagnosis function. Refer to "REFERENCE VALUE ".

    Is each data the standard value? 

    YES: Check each harness connector pin terminal for disconnection.

    NO: Replace RAS control unit. Refer to "EXPLODED VIEW ".

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